/* ═══════════════════════════════════════════════════════════════════
   GENERADOR DE MANUALES - ESTILOS BASE
   ═══════════════════════════════════════════════════════════════════ */

:root {
  --c-black: #000000;
  --c-ink: #1a181d;
  --c-white: #fefeff;
  --font-title: "Exo 2", system-ui, -apple-system, Segoe UI, Roboto, Arial, sans-serif;
  --font-sub: "Futura", "Futura PT", "Avenir", "Trebuchet MS", "Segoe UI", Arial, sans-serif;
  --container: 1200px;
  --radius-xl: 28px;
  --radius-lg: 18px;
  --shadow-soft: 0 18px 60px rgba(0,0,0,.55);
  --glass: rgba(254,254,255,.08);
  --stroke: rgba(198,201,215,.25);
}

* { 
  box-sizing: border-box; 
  margin: 0; 
  padding: 0; 
}

html {
  height: 100%;
  scrollbar-width: thin;
}

body {
  min-height: 100vh;
  margin: 0;
  display: flex;
  flex-direction: column;
  background-color: var(--c-black);
  color: var(--c-white);
  font-family: var(--font-sub);
  overflow-x: hidden;
  line-height: 1.6;
}

a { 
  color: inherit; 
  text-decoration: none; 
}

img { 
  max-width: 100%; 
  display: block; 
}

/* ═══════════════════════════════════════════════════════════════════
   FONDO ANIMADO
   ═══════════════════════════════════════════════════════════════════ */

.bg {
  position: fixed;
  inset: 0;
  z-index: -1;
  pointer-events: none;
}

.hex {
  position: absolute;
  inset: -20%;
  opacity: .16;
  filter: drop-shadow(0 0 12px rgba(107,225,227,.15));
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='260' height='150'%3E%3Cg fill='none' stroke='%23c6c9d7' stroke-opacity='0.85' stroke-width='1'%3E%3Cpath d='M50 20l20-12 20 12v24l-20 12-20-12z'/%3E%3Cpath d='M120 20l20-12 20 12v24l-20 12-20-12z'/%3E%3Cpath d='M190 20l20-12 20 12v24l-20 12-20-12z'/%3E%3Cpath d='M85 55l20-12 20 12v24l-20 12-20-12z'/%3E%3Cpath d='M155 55l20-12 20 12v24l-20 12-20-12z'/%3E%3Cpath d='M50 90l20-12 20 12v24l-20 12-20-12z'/%3E%3Cpath d='M120 90l20-12 20 12v24l-20 12-20-12z'/%3E%3Cpath d='M190 90l20-12 20 12v24l-20 12-20-12z'/%3E%3C/g%3E%3C/svg%3E");
  background-size: 260px 150px;
  transform: rotate(-8deg);
  mix-blend-mode: screen;
}

canvas#stars { 
  position: absolute; 
  inset: 0; 
}

/* ═══════════════════════════════════════════════════════════════════
   ESTRUCTURA PRINCIPAL
   ═══════════════════════════════════════════════════════════════════ */

.wrap {
  position: relative;
  z-index: 1;
  display: flex;
  flex-direction: column;
  flex: 1;
  min-height: 100vh;
}

header {
  width: 100%;
  padding: 26px 22px 8px;
  position: sticky;
  top: 0;
  z-index: 5;
  background: linear-gradient(180deg, rgba(0,0,0,.35), transparent);
  backdrop-filter: blur(10px);
  transition: all 0.3s ease;
}

header.scrolled {
  background: rgba(0,0,0,.7);
  box-shadow: 0 10px 30px rgba(0,0,0,.35);
  border-bottom: 1px solid rgba(198,201,215,.10);
}

.nav {
  max-width: var(--container);
  margin: 0 auto;
  display: flex;
  align-items: center;
  gap: 18px;
}

.brand {
  display: flex;
  align-items: center;
  gap: 12px;
  user-select: none;
}

.brand .mark {
  width: 50px;
  height: 50px;
  border-radius: 50%;
  background-size: contain;
  background-repeat: no-repeat;
  background-position: center;
  box-shadow: 0 0 0 1px rgba(198,201,215,.18), 0 0 40px rgba(107,225,227,.18);
  position: relative;
  overflow: hidden;
  flex-shrink: 0;
}

.brand .mark::after {
  content: "";
  position: absolute;
  inset: 0;
  background: radial-gradient(circle at 30% 30%, rgba(254,254,255,.14), transparent 55%);
  pointer-events: none;
}

.brand .name {
  font-family: var(--font-title);
  letter-spacing: .04em;
  font-weight: 800;
  font-size: 24px;
  line-height: 1.1;
}

.brand .sub {
  display: block;
  font-family: var(--font-sub);
  font-weight: 500;
  font-size: 13px;
  color: rgba(198,201,215,.85);
  letter-spacing: .02em;
  margin-top: 2px;
}

main {
  flex: 1;
  width: 100%;
  padding: 60px 30px 100px;
}

.container {
  max-width: var(--container);
  margin: 0 auto;
}

/* ═══════════════════════════════════════════════════════════════════
   HERO SECTION
   ═══════════════════════════════════════════════════════════════════ */

.hero-section {
  text-align: center;
  margin-bottom: 60px;
}

.hero-section h1 {
  font-family: var(--font-title);
  font-size: clamp(48px, 6vw, 72px);
  line-height: 1.1;
  margin: 0 0 30px;
  letter-spacing: -.02em;
  text-shadow: 0 10px 40px rgba(0,0,0,.55);
}

.hero-section p {
  max-width: 800px;
  margin: 0 auto 40px;
  font-size: 20px;
  line-height: 1.8;
  color: rgba(198,201,215,.95);
}

.prompt-btn {
  color: var(--c-white);
  padding: 16px 40px;
  border: none;
  border-radius: 999px;
  font-size: 1.1em;
  font-weight: 700;
  cursor: pointer;
  transition: all 0.3s;
  font-family: var(--font-title);
  margin-bottom: 30px;
}

.prompt-btn:hover {
  transform: translateY(-4px);
}

/* ═══════════════════════════════════════════════════════════════════
   SELECTOR DE MODELO
   ═══════════════════════════════════════════════════════════════════ */

.model-selector {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 30px;
  margin-bottom: 60px;
  max-width: 800px;
  margin-left: auto;
  margin-right: auto;
}

.model-card {
  background: var(--glass);
  backdrop-filter: blur(20px);
  border: 1px solid var(--stroke);
  border-radius: var(--radius-lg);
  padding: 30px;
  text-align: center;
  cursor: pointer;
  transition: all 0.3s ease;
  position: relative;
  overflow: hidden;
}

.model-card::before {
  content: "";
  position: absolute;
  inset: 0;
  opacity: 0;
  transition: opacity 0.3s ease;
  pointer-events: none;
}

.model-card:hover {
  transform: translateY(-5px);
}

.model-card.active {
  border-width: 2px;
  box-shadow: 0 20px 60px rgba(0,0,0,.4);
}

.model-flag {
  font-size: 60px;
  margin-bottom: 15px;
  user-select: none;
}

.model-card h3 {
  font-family: var(--font-title);
  font-size: 28px;
  margin-bottom: 8px;
  font-weight: 800;
}

.model-card p {
  color: rgba(198,201,215,.75);
  margin-bottom: 20px;
  font-size: 16px;
}

.model-colors {
  display: flex;
  justify-content: center;
  gap: 8px;
  margin-top: 20px;
}

.model-colors span {
  width: 40px;
  height: 40px;
  border-radius: 50%;
  border: 2px solid rgba(255,255,255,.2);
  box-shadow: 0 4px 12px rgba(0,0,0,.3);
}

/* ═══════════════════════════════════════════════════════════════════
   FORMULARIO
   ═══════════════════════════════════════════════════════════════════ */

.form-wrapper {
  background: var(--glass);
  backdrop-filter: blur(20px);
  border: 1px solid var(--stroke);
  border-radius: var(--radius-xl);
  padding: 50px;
  box-shadow: var(--shadow-soft);
  max-width: 900px;
  margin: 0 auto;
}

.field-row {
  margin-bottom: 32px;
}

.field-row label {
  display: flex;
  align-items: center;
  gap: 10px;
  font-family: var(--font-title);
  font-weight: 700;
  font-size: 18px;
  margin-bottom: 12px;
  color: var(--c-white);
}

.label-icon {
  font-size: 22px;
}

.label-hint {
  display: block;
  font-family: var(--font-sub);
  font-size: 14px;
  font-weight: 400;
  color: rgba(198,201,215,.65);
  margin-top: 4px;
  margin-left: 32px;
}

input[type="text"],
textarea {
  width: 100%;
  padding: 16px 20px;
  background: rgba(0,0,0,.4);
  border: 1px solid rgba(198,201,215,.25);
  border-radius: 12px;
  color: var(--c-white);
  font-family: var(--font-sub);
  font-size: 16px;
  transition: all 0.3s ease;
  resize: vertical;
}

input[type="text"]:focus,
textarea:focus {
  outline: none;
  border-width: 2px;
  background: rgba(0,0,0,.5);
  box-shadow: 0 0 0 3px rgba(255,255,255,.05);
}

textarea {
  font-family: 'Monaco', 'Courier New', monospace;
  line-height: 1.6;
  min-height: 200px;
}

/* ═══════════════════════════════════════════════════════════════════
   BOTONES
   ═══════════════════════════════════════════════════════════════════ */

.actions {
  display: flex;
  gap: 20px;
  justify-content: center;
  flex-wrap: wrap;
  margin-top: 40px;
}

.btn {
  padding: 18px 45px;
  border: none;
  border-radius: 999px;
  font-size: 18px;
  font-weight: 700;
  cursor: pointer;
  transition: all 0.3s ease;
  font-family: var(--font-title);
  position: relative;
  overflow: hidden;
}

.btn:disabled {
  opacity: 0.5;
  cursor: not-allowed;
}

.btn:not(:disabled):hover {
  transform: translateY(-4px);
}

.btn-primary,
.btn-secondary {
  color: var(--c-white);
}

/* ═══════════════════════════════════════════════════════════════════
   MODALES
   ═══════════════════════════════════════════════════════════════════ */

.modal {
  position: fixed;
  inset: 0;
  z-index: 1000;
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.3s ease;
}

.modal.active {
  opacity: 1;
  pointer-events: all;
}

.modal-backdrop {
  position: absolute;
  inset: 0;
  background: rgba(0,0,0,.85);
  backdrop-filter: blur(10px);
}

.modal-content {
  position: relative;
  background: rgba(20,20,25,.95);
  backdrop-filter: blur(30px);
  border: 1px solid rgba(198,201,215,.25);
  border-radius: var(--radius-xl);
  padding: 40px;
  max-width: 90vw;
  max-height: 90vh;
  overflow: auto;
  box-shadow: 0 30px 90px rgba(0,0,0,.8);
  animation: modalSlideIn 0.3s ease;
}

@keyframes modalSlideIn {
  from {
    opacity: 0;
    transform: translateY(30px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.modal-close {
  position: absolute;
  top: 20px;
  right: 20px;
  width: 40px;
  height: 40px;
  border: none;
  background: rgba(255,255,255,.1);
  color: var(--c-white);
  font-size: 28px;
  border-radius: 50%;
  cursor: pointer;
  transition: all 0.3s ease;
  display: flex;
  align-items: center;
  justify-content: center;
  line-height: 1;
}

.modal-close:hover {
  background: rgba(255,255,255,.2);
  transform: rotate(90deg);
}

.modal-content h2 {
  font-family: var(--font-title);
  font-size: 32px;
  margin-bottom: 30px;
  text-align: center;
}

/* Prompt Modal */
.prompt-modal {
  max-width: 900px;
}

.prompt-box {
  background: rgba(0,0,0,.6);
  border: 1px solid rgba(198,201,215,.2);
  border-radius: 12px;
  padding: 25px;
  margin-bottom: 25px;
  max-height: 500px;
  overflow-y: auto;
}

.prompt-box pre {
  font-family: 'Monaco', 'Courier New', monospace;
  font-size: 14px;
  line-height: 1.8;
  color: rgba(255,255,255,.9);
  white-space: pre-wrap;
  word-wrap: break-word;
  margin: 0;
}

/* ═══════════════════════════════════════════════════════════════════
   PREVIEW MODAL - MEJORADO PARA PANTALLA COMPLETA
   ═══════════════════════════════════════════════════════════════════ */

.preview-modal {
  max-width: 98vw;
  max-height: 98vh;
  padding: 0;
  background: rgba(10,10,15,.98);
}

.preview-modal .modal-content {
  padding: 0;
  max-width: 98vw;
  max-height: 98vh;
  display: flex;
  flex-direction: column;
  border-radius: var(--radius-lg);
  overflow: hidden;
}

/* Header del modal de preview */
.preview-modal .modal-header {
  background: linear-gradient(135deg, rgba(26,24,29,0.95) 0%, rgba(40,40,50,0.95) 100%);
  padding: 20px 30px;
  border-bottom: 2px solid rgba(198,201,215,.15);
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-shrink: 0;
}

.preview-modal h2 {
  margin: 0;
  font-size: 24px;
  text-align: left;
}

.preview-modal .modal-close {
  position: static;
  margin: 0;
}

.loading-spinner {
  display: none;
  text-align: center;
  padding: 100px 20px;
  flex: 1;
}

.loading-spinner.active {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
}

.spinner {
  width: 80px;
  height: 80px;
  border: 6px solid rgba(255,255,255,.1);
  border-radius: 50%;
  margin: 0 auto 25px;
  animation: spin 1s linear infinite;
  position: relative;
}

.spinner::before {
  content: "";
  position: absolute;
  inset: -6px;
  border-radius: 50%;
  border: 6px solid transparent;
  animation: spin 1.5s linear infinite reverse;
}

@keyframes spin {
  to { transform: rotate(360deg); }
}

.loading-spinner p {
  font-size: 20px;
  font-weight: 600;
  color: rgba(198,201,215,.9);
  font-family: var(--font-title);
}

/* PDF Container - MAXIMIZADO PARA PANTALLA COMPLETA */
.pdf-container {
  display: none;
  width: 100%;
  flex: 1;
  padding: 20px;
  background: rgba(0,0,0,.4);
  min-height: 0;
}

.pdf-container.active {
  display: flex;
  flex-direction: column;
}

.pdf-container iframe {
  width: 100%;
  flex: 1;
  min-height: 0;
  border: 3px solid rgba(198,201,215,.2);
  border-radius: 12px;
  background: white;
  box-shadow: 0 20px 60px rgba(0,0,0,.6);
}

/* ═══════════════════════════════════════════════════════════════════
   SCROLLBAR
   ═══════════════════════════════════════════════════════════════════ */

::-webkit-scrollbar {
  width: 10px;
  height: 10px;
}

::-webkit-scrollbar-track {
  background: rgba(0,0,0,.3);
}

::-webkit-scrollbar-thumb {
  background: rgba(198,201,215,.3);
  border-radius: 5px;
}

::-webkit-scrollbar-thumb:hover {
  background: rgba(198,201,215,.5);
}

/* ═══════════════════════════════════════════════════════════════════
   RESPONSIVE
   ═══════════════════════════════════════════════════════════════════ */

@media (max-width: 768px) {
  main {
    padding: 40px 20px 60px;
  }

  .form-wrapper {
    padding: 30px 25px;
  }

  .hero-section h1 {
    font-size: 40px;
  }

  .hero-section p {
    font-size: 18px;
  }

  .model-selector {
    grid-template-columns: 1fr;
    max-width: 400px;
  }

  .actions {
    flex-direction: column;
  }

  .btn {
    width: 100%;
  }

  .modal-content {
    padding: 25px;
    max-width: 95vw;
  }
  
  /* Preview modal responsive */
  .preview-modal .modal-content {
    max-width: 100vw;
    max-height: 100vh;
    border-radius: 0;
  }
  
  .preview-modal .modal-header {
    padding: 15px 20px;
  }
  
  .pdf-container {
    padding: 10px;
  }
}

/* ═══════════════════════════════════════════════════════════════════
   CSS ADICIONAL PARA EL MODAL - AGREGAR AL FINAL DE TU STYLES.CSS
   ═══════════════════════════════════════════════════════════════════ */

/* IMPORTANTE: Agrega esto al FINAL de tu archivo styles.css */

/* Override del modal de vista previa para pantalla completa */
.modal.preview-modal {
  padding: 0 !important;
}

.modal.preview-modal .modal-content {
  max-width: 98vw !important;
  max-height: 98vh !important;
  width: 98vw !important;
  height: 98vh !important;
  padding: 0 !important;
  margin: 0 !important;
  display: flex !important;
  flex-direction: column !important;
  overflow: hidden !important;
}

/* Header del modal */
.modal.preview-modal .modal-header {
  background: linear-gradient(135deg, rgba(26,24,29,0.95) 0%, rgba(40,40,50,0.95) 100%);
  padding: 20px 30px;
  border-bottom: 2px solid rgba(198,201,215,.15);
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-shrink: 0;
  min-height: 70px;
}

.modal.preview-modal .modal-header h2 {
  margin: 0 !important;
  font-size: 24px !important;
  text-align: left !important;
  padding: 0 !important;
}

.modal.preview-modal .modal-close {
  position: static !important;
  margin: 0 !important;
  width: 45px;
  height: 45px;
  font-size: 32px;
}

/* Spinner de carga */
.modal.preview-modal .loading-spinner {
  flex: 1;
  display: none;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: 100px 20px;
}

.modal.preview-modal .loading-spinner.active {
  display: flex !important;
}

.modal.preview-modal .spinner {
  width: 80px;
  height: 80px;
  border: 6px solid rgba(255,255,255,.1);
  border-top-color: rgba(107, 225, 227, 0.8);
  border-radius: 50%;
  animation: spin 1s linear infinite;
  margin-bottom: 25px;
}

@keyframes spin {
  to { transform: rotate(360deg); }
}

.modal.preview-modal .loading-spinner p {
  font-size: 20px;
  font-weight: 600;
  color: rgba(198,201,215,.9);
}

/* Contenedor del PDF - MAXIMIZADO */
.modal.preview-modal .pdf-container {
  display: none;
  flex: 1;
  width: 100%;
  padding: 20px;
  background: rgba(0,0,0,.4);
  min-height: 0;
  overflow: hidden;
}

.modal.preview-modal .pdf-container.active {
  display: flex !important;
  flex-direction: column;
}

.modal.preview-modal .pdf-container iframe {
  width: 100% !important;
  height: 100% !important;
  flex: 1;
  min-height: 0;
  border: 3px solid rgba(107, 225, 227, 0.4);
  border-radius: 12px;
  background: white;
  box-shadow: 0 20px 60px rgba(0,0,0,.6);
}

/* Responsive para móviles */
@media (max-width: 768px) {
  .modal.preview-modal .modal-content {
    max-width: 100vw !important;
    max-height: 100vh !important;
    width: 100vw !important;
    height: 100vh !important;
    border-radius: 0 !important;
  }
  
  .modal.preview-modal .modal-header {
    padding: 15px 20px;
    min-height: 60px;
  }
  
  .modal.preview-modal .modal-header h2 {
    font-size: 18px !important;
  }
  
  .modal.preview-modal .pdf-container {
    padding: 10px;
  }
}


/* Marco para que el logo resalte (cuadrado con color + centro blanco) */
.model-flag{
  display:flex;
  align-items:center;
  justify-content:center;
}

/* Tamaño del “badge” (subilo/bajalo acá) */
.model-logo-frame{
  width:72px;              /* ✅ antes estaba chico: sube a 72/80 */
  height:72px;
  border-radius:14px;      /* esquinas suaves */
  display:flex;
  align-items:center;
  justify-content:center;
  box-shadow: 0 10px 22px rgba(0,0,0,.22);
  border: 1px solid rgba(255,255,255,.18);
}

/* Fondo por modelo */
.model-logo-frame--arg{
  background: linear-gradient(135deg, #22D9DF 0%, #0B4A6E 100%);
}

.model-logo-frame--lat{
  background: linear-gradient(135deg, #E2B808 0%, #210D41 100%);
}

/* Centro blanco donde va el logo (para que no se pierda si es negro) */


/* Para que el ::before funcione bien */
.model-logo-frame{
  position:relative;
}

/* Logo más grande y nítido */
.model-logo{
  position:relative;
  z-index:4;
  width:90px;              /* ✅ tamaño del logo */
  height:90px;
  object-fit:contain;
  filter: drop-shadow(0 2px 2px rgba(0,0,0,.12));
}